CN111369855A - Nuclear turbine coupling hydraulic bolt dismounting training platform and method - Google Patents
Nuclear turbine coupling hydraulic bolt dismounting training platform and method Download PDFInfo
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- CN111369855A CN111369855A CN202010250986.3A CN202010250986A CN111369855A CN 111369855 A CN111369855 A CN 111369855A CN 202010250986 A CN202010250986 A CN 202010250986A CN 111369855 A CN111369855 A CN 111369855A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
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Abstract
The invention belongs to the technical field of skill training and detection of nuclear power stations, and particularly relates to a nuclear turbine coupling hydraulic bolt dismounting training platform and a method. The training platform is simple in structure and convenient to operate and maintain, can provide comprehensive personnel skill practice training for assembling the hydraulic bolts of the rotor coupling of the nuclear power turbine, improves the skill level of hydraulic bolt assembling of maintainers, can simulate the whole process of assembling and disassembling the hydraulic bolts of the rotor coupling of the turbine, can improve the overhauling quality of the maintainers of the turbine, can quickly measure the length of the bolts and inspect the installation quality, simplifies the training preparation process, and improves the training efficiency.
Description
Technical Field
The invention belongs to the technical field of skill training and detection of nuclear power plants, and particularly relates to a nuclear turbine coupling hydraulic bolt dismounting training platform and method.
Background
The nuclear turbine has the characteristics of low steam parameters, large rotor size, thick shaft diameter and the like, the turbine rotor is an integrally forged rotor and a rigid half coupling, and the couplings of two adjacent rotors are connected through bolts. Most nuclear power steam turbine rotor shaft coupling bolts adopt hydraulic stretching bolts, and the fit clearance of hydraulic bolts and screw is less, and is higher to dismantling the technological requirement, if the maintainer skill is not enough probably to take place the human error, leads to the bolt card to die, influences the equipment maintenance time limit for a project.
Meanwhile, the installation quality of the coupling bolt is related to the centering condition of a shaft system, the rotor vibration level under the operating condition of the steam turbine is directly influenced, if the vibration is large, the operating stability and the safety of the steam turbine can be reduced, and the risk of shutdown and shutdown exists.
At present, the training of the hydraulic bolt installation and disassembly skills can only teach relevant points to maintainers in a theoretical way, but the intuition is poor, the requirement on the receptivity of the maintainers is high, and the training quality and the training efficiency are low.
Therefore, a nuclear turbine coupling hydraulic bolt dismounting training platform needs to be designed to overcome the defects in the prior art.
Disclosure of Invention
The invention aims to provide a nuclear power turbine coupler hydraulic bolt dismounting training platform and method aiming at the defects of the prior art, which simulate the structure, dismounting and mounting steps of a nuclear power unit turbine coupler and a hydraulic bolt and quickly check the mounting quality of the hydraulic bolt, thereby effectively improving the overhaul quality and training efficiency of the turbine rotor coupler hydraulic bolt.
The technical scheme of the invention is as follows:
the utility model provides a real platform of instructing of nuclear power steam turbine shaft coupling hydraulic bolt dismouting, this platform includes measuring stick, measuring stick support, left slider, adjusting screw, channel, right slider, base and pneumatic hydraulic pump, and channel and measuring stick support are fixed on the base, and left slider and right slider are placed in the channel, and adjusting screw passes through the screw respectively and is connected with channel and base.
The measuring rods are arranged in the through holes of the two measuring rod supports.
The pneumatic hydraulic pump is connected to the base through a bolt.
The left sliding block is in a combined shape of a cube and a semi-cylinder, a through hole is machined in the center of the left sliding block, a lifting lug hole is machined in the top of the left sliding block, and gaps are reserved between the left sliding block and the two sides of the channel.
The right sliding block is in a combined shape of a cube and a semi-cylinder, a through hole is processed in the center, and a lifting lug hole is processed at the top.
Both ends and the side surface of the channel are provided with threaded through holes.
The top surface of the base is provided with a threaded through hole.
The adjusting screw penetrates through the threaded through holes on the two sides of the channel to be in contact with the two side surfaces of the left sliding block.
The adjusting screw penetrates through the threaded through hole in the top surface of the base to be in contact with the bottom of the left sliding block.
The adjusting screw penetrates through the threaded through holes at the two ends of the channel to be respectively contacted with the side surfaces of the left sliding block and the right sliding block.
One end of the measuring rod is provided with a fixed measuring anvil, and the other end of the measuring rod is provided with a spiral micrometer head.
The practical training method for dismounting the hydraulic bolt of the nuclear turbine coupler specifically comprises the following steps:
firstly, adjusting the relative positions of a left sliding block and a right sliding block by using an adjusting screw to enable two holes to be aligned, secondly, placing a conical sleeve and a hydraulic bolt in the holes, measuring the original length of the bolt by using a measuring rod and recording the original length, and then installing an adapter, a distance sleeve and a hydraulic stretching device;
and (2) connecting a pneumatic hydraulic pump and a hydraulic stretching device by using a high-pressure oil pipe, starting the hydraulic pump to pressurize, screwing a nut by using a bolt wrench, opening an oil return valve of the hydraulic pump, dismantling the installation tool, measuring the stretched length of the hydraulic bolt by using a measuring rod again after the installation is finished, recording the length of the bolt, calculating the elongation of the bolt according to the elongation before and after the bolt is installed, and inspecting the installation quality.
The invention has the following beneficial effects:
(1) the practical training platform provided by the invention can provide comprehensive personnel skill practical training for assembling the hydraulic bolt of the nuclear turbine rotor coupling, and improve the skill level of hydraulic bolt assembling of maintainers. At present, no similar equipment exists in China;
(2) the practical training platform provided by the invention has comprehensive functions, can simulate the whole process of assembling and disassembling the hydraulic bolt of the steam turbine rotor coupler, and can improve the overhauling quality of steam turbine maintainers;
(3) the practical training platform provided by the invention can be used for quickly measuring the length of the bolt and checking the installation quality, the training preparation process is simplified, and the training efficiency is improved;
(4) the practical training platform provided by the invention integrates all necessary tools, and is convenient for students to operate;
(5) the practical training platform provided by the invention is simple in structure and convenient to operate and maintain.
Drawings
FIG. 1 is a schematic structural diagram of a nuclear turbine coupling hydraulic bolt dismounting training platform designed by the invention;
FIG. 2 is a left side view of a nuclear turbine coupling hydraulic bolt dismounting training platform designed by the invention;
FIG. 3 is a top view of a nuclear turbine coupling hydraulic bolt dismounting training platform provided by the invention;
FIG. 4 is a use assembly drawing of a nuclear turbine coupling hydraulic bolt dismounting training platform provided by the invention;
wherein: 1-measuring rod, 2-measuring rod bracket, 3-left slide block, 4-adjusting screw, 5-channel, 6-right slide block, 7-base, 8-pneumatic hydraulic pump, 9-nut, 10-conical sleeve, 11-hydraulic bolt, 12-distance sleeve, 13-hydraulic stretching device, 14-adapter, 15-high-pressure oil pipe
Detailed Description
The present technology is further described below:
as shown in fig. 1, 2 and 3, the invention provides a nuclear turbine coupling hydraulic bolt dismounting training platform which comprises a measuring rod 1, a measuring rod support 2, a left slider 3, an adjusting screw 4, a channel 5, a right slider 6, a base 7 and a pneumatic hydraulic pump 8, wherein the channel 5 and the measuring rod support 2 are fixedly welded on the base 7, the left slider 3 and the right slider 6 are placed in the channel 5, the channel 5 and the base 7 are respectively in threaded connection with the adjusting screw 4, the measuring rod 1 is installed in through holes of the two measuring rod supports 2, and the pneumatic hydraulic pump 8 is connected on the base 7 through bolts.
The left sliding block 3 and the right sliding block 6 are in a combined shape of a cube and a semi-cylinder, a through hole is processed in the center, a lifting lug hole is processed at the top, and gaps are reserved between the left sliding block 3 and two sides of the channel 5;
threaded through holes are processed on two sides of the channel 5 and the top surface of the base 7 and used for installing the adjusting screws 4, the four adjusting screws 4 penetrating through two sides of the channel 5 are contacted with two side surfaces of the left sliding block 3, and gaps are reserved between the left sliding block 3 and two sides of the channel 5, so that the relative position between the left sliding block 3 and the right sliding block 6 can be adjusted by screwing in and out the adjusting screws 4.
Four adjusting screws 4 penetrating through the top surface of the base 7 are contacted with the bottom of the left slide block 3 and are used for adjusting the up-down relative position between the left slide block 3 and the right slide block 6.
Four adjusting screws 4 penetrating through two ends of the channel 5 are respectively contacted with the side surfaces of the left sliding block 3 and the right sliding block 6, and the distance between the left sliding block 3 and the right sliding block 6 is adjusted by screwing the adjusting screws 4 in and out.
The measuring rod 1 is arranged in the through holes of the two measuring rod supports 2 and used for rapidly measuring the length of the bolt. One end of the measuring rod 1 is provided with a fixed measuring anvil, and the other end is provided with a spiral micrometer head.
When the hydraulic bolt is applied specifically, the hydraulic bolt 11 passes through the conical sleeve 10 and is placed in the through holes of the left slider 3 and the right slider 6; the nut 9 is connected with the hydraulic bolt 11 through threads; the adapter 14 is connected with the hydraulic bolt 11 through a taper thread; a through hole is processed in the center of the distance sleeve 12 and is sleeved on the adapter 14, and the right end face of the distance sleeve abuts against the left sliding block 3; the hydraulic stretching device 13 is connected with the adapter 14 through threads and is abutted against the left end face of the distance sleeve 12; the high-pressure oil pipe 15 is connected with the pneumatic hydraulic pump 8 and the hydraulic stretching device 13 through quick connectors, as shown in fig. 4.
The invention also provides a practical training method for dismounting the hydraulic bolt of the nuclear turbine coupler, which specifically comprises the following steps:
firstly, adjusting the relative positions of a left sliding block 3 and a right sliding block 6 by using an adjusting screw 4 to center the two holes, secondly, placing a conical sleeve 10 and a hydraulic bolt 11 in the holes, measuring and recording the original length of the bolt by using a measuring rod 1, and then installing an adapter 14, a distance sleeve 12 and a hydraulic stretching device 13;
and (2) connecting a pneumatic hydraulic pump 8 and a hydraulic stretching device 13 by using a high-pressure oil pipe 15, starting the hydraulic pump to pressurize, screwing a nut 9 by using a bolt wrench, opening an oil return valve of the hydraulic pump, detaching an installation tool, measuring the stretched length of the hydraulic bolt 11 by using the measuring rod 1 again after the installation is finished, recording the length of the bolt, calculating the elongation of the bolt according to the elongation of the bolt before and after the installation, and inspecting the installation quality.
The present invention has been described in detail with reference to the embodiments, but the present invention is not limited to the embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge of those skilled in the art. The prior art can be adopted in the content which is not described in detail in the invention.
Claims (12)
1. The utility model provides a real platform of instructing of nuclear power steam turbine shaft coupling hydraulic bolt dismouting which characterized in that: the platform comprises a measuring rod (1), a measuring rod support (2), a left sliding block (3), an adjusting screw (4), a channel (5), a right sliding block (6), a base (7) and a pneumatic hydraulic pump (8), wherein the channel (5) and the measuring rod support (2) are fixed on the base (7), the left sliding block (3) and the right sliding block (6) are placed in the channel (5), and the adjusting screw (4) is connected with the channel (5) and the base (7) through threads respectively.
2. The nuclear turbine coupling hydraulic bolt dismounting training platform according to claim 1, characterized in that: the measuring rods (1) are arranged in through holes of the two measuring rod brackets (2).
3. The nuclear turbine coupling hydraulic bolt dismounting training platform according to claim 2, characterized in that: the pneumatic hydraulic pump (8) is connected to the base (7) through a bolt.
4. The nuclear turbine coupling hydraulic bolt dismounting training platform according to claim 3, characterized in that: the left sliding block (3) is in a combined shape of a cube and a semi-cylinder, a through hole is machined in the center, a lug hole is machined in the top, and gaps are reserved between the left sliding block (3) and the two sides of the channel (5).
5. The nuclear turbine coupling hydraulic bolt dismounting training platform according to claim 4, characterized in that: the right sliding block (6) is in a combined shape of a cube and a semi-cylinder, a through hole is processed in the center, and a lifting lug hole is processed in the top.
6. The nuclear turbine coupling hydraulic bolt dismounting training platform according to claim 5, characterized in that: both ends and the side surface of the channel (5) are provided with threaded through holes.
7. The nuclear turbine coupling hydraulic bolt dismounting training platform according to claim 6, characterized in that: the top surface of the base (7) is provided with a threaded through hole.
8. The nuclear turbine coupling hydraulic bolt dismounting training platform according to claim 7, characterized in that: the adjusting screw (4) passes through the threaded through holes on the two sides of the channel (5) and contacts with the two side surfaces of the left sliding block (3).
9. The nuclear turbine coupling hydraulic bolt dismounting training platform according to claim 8, characterized in that: the adjusting screw (4) passes through the threaded through hole on the top surface of the base (7) to be contacted with the bottom of the left sliding block (3).
10. The nuclear turbine coupling hydraulic bolt dismounting training platform according to claim 9, characterized in that: the adjusting screw (4) penetrates through the threaded through holes at the two ends of the channel (5) to be respectively contacted with the side surfaces of the left sliding block (3) and the right sliding block (6).
11. The nuclear turbine coupling hydraulic bolt dismounting training platform according to claim 10, characterized in that: one end of the measuring rod (1) is provided with a fixed measuring anvil, and the other end is provided with a spiral micrometer head.
12. The practical training method for dismounting and mounting the hydraulic bolt of the nuclear turbine coupling according to any one of claims 1 to 11, which is characterized by comprising the following steps:
firstly, adjusting the relative positions of a left sliding block (3) and a right sliding block (6) by using an adjusting screw (4) to center the two holes, secondly, placing a conical sleeve (10) and a hydraulic bolt (11) in the holes, measuring the original length of the bolt by using a measuring rod (1) and recording the original length, and then installing an adapter (14), a distance sleeve (12) and a hydraulic stretching device (13);
and (2) connecting a pneumatic hydraulic pump (8) and a hydraulic stretching device (13) by using a high-pressure oil pipe (15), starting the hydraulic pump to pressurize, screwing a nut (9) by using a bolt wrench, opening an oil return valve of the hydraulic pump, detaching an installation tool, measuring the stretched length of the hydraulic bolt (11) by using the measuring rod (1) again after the installation is finished, recording, calculating the elongation of the bolt according to the elongation before and after the bolt is installed, and inspecting the installation quality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010250986.3A CN111369855A (en) | 2020-04-01 | 2020-04-01 | Nuclear turbine coupling hydraulic bolt dismounting training platform and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010250986.3A CN111369855A (en) | 2020-04-01 | 2020-04-01 | Nuclear turbine coupling hydraulic bolt dismounting training platform and method |
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| Publication Number | Publication Date |
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| CN111369855A true CN111369855A (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010250986.3A Pending CN111369855A (en) | 2020-04-01 | 2020-04-01 | Nuclear turbine coupling hydraulic bolt dismounting training platform and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114871996A (en) * | 2022-05-06 | 2022-08-09 | 中国矿业大学 | Hydraulic circuit dismounting and mounting working platform capable of preventing oil from splashing |
-
2020
- 2020-04-01 CN CN202010250986.3A patent/CN111369855A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114871996A (en) * | 2022-05-06 | 2022-08-09 | 中国矿业大学 | Hydraulic circuit dismounting and mounting working platform capable of preventing oil from splashing |
| CN114871996B (en) * | 2022-05-06 | 2023-12-12 | 中国矿业大学 | Hydraulic circuit dismounting working platform capable of preventing oil from splashing |
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